78416416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{751}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 167142528

約数和(自身を除く): 88726112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 251, 416, 502, 751, 1004, 1502, 2008, 3004, 3263, 4016, 6008, 6526, 8032, 9763, 12016, 13052, 19526, 24032, 26104, 39052, 52208, 78104, 104416, 156208, 188501, 312416, 377002, 754004, 1508008, 2450513, 3016016, 4901026, 6032032, 9802052, 19604104, 39208208, 78416416]

約数ペア:

[(1, 78416416), (2, 39208208), (4, 19604104), (8, 9802052), (13, 6032032), (16, 4901026), (26, 3016016), (32, 2450513), (52, 1508008), (104, 754004), (208, 377002), (251, 312416), (416, 188501), (502, 156208), (751, 104416), (1004, 78104), (1502, 52208), (2008, 39052), (3004, 26104), (3263, 24032), (4016, 19526), (6008, 13052), (6526, 12016), (8032, 9763)]